package com.kunteng.ynhxksh.filter;

import org.springframework.stereotype.Component;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * Created by kunteng on 2018/1/26.
 */
@Component
public class CorsFilter implements Filter {

    @Override
    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
        HttpServletResponse response = (HttpServletResponse) res;
        response.setHeader("Access-Control-Allow-Origin", "*");
        response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE, PUT");
        response.setHeader("Access-Control-Max-Age", "3600");
//      response.setHeader("Access-Control-Allow-Headers", "Origin, x-requested-with, Content-Type, Accept, token");
        response.setHeader("Access-Control-Allow-Headers", "*");
        HttpServletRequest request = (HttpServletRequest) req;
        String basePath = request.getScheme() + "://" + request.getServerName() + ":" +
                request.getServerPort() + request.getRequestURI() + "/";
        System.out.println("*********************************过滤器被使用**************************" + basePath);
        chain.doFilter(req, res);
    }

    @Override
    public void init(FilterConfig config) throws ServletException {
    }

    @Override
    public void destroy() {
    }
}
